If you are set on using the PPSSPP emulator, you can play the two critically acclaimed prequels that were actually designed for the PSP: God of War: Chains of Olympus
⭐⭐⭐⭐ (Loses one star for touchscreen difficulty; gains two stars for nostalgia). Difficulty of Setup: Easy/Moderate.
Emulators require a PlayStation 2 system BIOS file to boot games. Legally, you must dump this from your own physical PS2 console.
Open PPSSPP, navigate to the folder where you stored your .iso files, and start playing! 📺 Option 2: Play the Real God of War 2 on Android